<?php
namespace app\admin\controller;


use tool\Res;

class Index extends Base
{

    public function index()
    {
        return view();
    }
    public function upload(){
        $type="jpg";
        if(input("type")=="auto"){
            $filename=$_FILES['file']['name'];
            $type=explode(".",$filename)[1];
        }
        $f=Res::upload(input("dir"),"file",$type);
        return s($f);

    }
    public function getuploadkey(){
        $id=config("aliyun.accessKeyId");
        $key=config("aliyun.accessKeySecret");
        $host = 'https://'.config("oss.vbucket").'.oss-cn-beijing.aliyuncs.com';

        $now = time();
        $expire = 30; //设置该policy超时时间是10s. 即这个policy过了这个有效时间，将不能访问
        $end = $now + $expire;
        $expiration = gmt_iso8601($end);

        $dir = config("oss.dir").'/';

        //最大文件大小.用户可以自己设置
        $condition = array(0=>'content-length-range', 1=>0, 2=>1048576000);
        $conditions[] = $condition;

        //表示用户上传的数据,必须是以$dir开始, 不然上传会失败,这一步不是必须项,只是为了安全起见,防止用户通过policy上传到别人的目录
        $start = array(0=>'starts-with', 1=>'$key', 2=>$dir);
        $conditions[] = $start;


        $arr = array('expiration'=>$expiration,'conditions'=>$conditions);
        //echo json_encode($arr);
        //return;
        $policy = json_encode($arr);
        $base64_policy = base64_encode($policy);
        $string_to_sign = $base64_policy;
        $signature = base64_encode(hash_hmac('sha1', $string_to_sign, $key, true));

        $response = array();
        $response['accessid'] = $id;
        $response['host'] = $host;
        $response['policy'] = $base64_policy;
        $response['signature'] = $signature;
        $response['expire'] = $end;
        //这个参数是设置用户上传指定的前缀
        $response['dir'] = $dir;
        return json($response);
    }

    public function tomenu(){
        $app=$this->getwxapp();
        $accessToken = $app->access_token;
        $token = $accessToken->getToken();
        $token=$token['access_token'];
        $this->redirect("https://wei.jiept.com/Home/Menu/$token");
    }
}
